CVE-2019-9621

Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery (SSRF) Vulnerability — Synacor / Zimbra Collaboration Suite (ZCS)

Risk tier: Monitored

Description

Zimbra Collaboration Suite before 8.6 patch 13, 8.7.x before 8.7.11 patch 10, and 8.8.x before 8.8.10 patch 7 or 8.8.x before 8.8.11 patch 3 allows SSRF via the ProxyServlet component.

Scoring

  • CVSS: 7.5 (HIGH, 3.1)
  • EPSS exploitation probability: Not yet available
  • EPSS percentile: Not yet available

CISA KEV status

  • Added to KEV: 2025-07-07
  • Remediation due date: 2025-07-28
  • Known ransomware campaign use: Unknown

Weakness types (CWE)

  • CWE-918
  • CWE-918

References

More HIGH-severity vulnerabilities · All exploited vulnerabilities